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Westlake Corp (WLK)

Red

Materials · As of 17 July 2026

Price chart — 52 weeks

WLK · 77.63 (last weekly close) SMA 10w SMA 40w
405060708090100110120AugSepOctNovDec2026FebMarAprMayJunJul10.0MWeek of Jul 21, 2025 · O 82.32 · H 88.51 · L 81.12 · C 85.76 · Vol 6.0MWeek of Jul 28, 2025 · O 85.05 · H 86.43 · L 75.07 · C 75.43 · Vol 7.7MWeek of Aug 4, 2025 · O 76.42 · H 85.12 · L 75.83 · C 79.00 · Vol 8.0MWeek of Aug 11, 2025 · O 79.17 · H 86.82 · L 76.21 · C 83.98 · Vol 6.7MWeek of Aug 18, 2025 · O 83.89 · H 91.23 · L 80.84 · C 90.60 · Vol 6.2MWeek of Aug 25, 2025 · O 89.54 · H 90.08 · L 85.17 · C 87.82 · Vol 5.4MWeek of Sep 1, 2025 · O 86.39 · H 92.22 · L 83.51 · C 89.42 · Vol 3.7MWeek of Sep 8, 2025 · O 89.11 · H 89.69 · L 84.90 · C 88.13 · Vol 4.3MWeek of Sep 15, 2025 · O 88.72 · H 91.50 · L 82.70 · C 83.07 · Vol 6.0MWeek of Sep 22, 2025 · O 82.50 · H 82.50 · L 75.86 · C 77.65 · Vol 5.7MWeek of Sep 29, 2025 · O 78.50 · H 82.77 · L 75.03 · C 82.31 · Vol 5.0MWeek of Oct 6, 2025 · O 83.26 · H 83.48 · L 75.49 · C 75.64 · Vol 6.3MWeek of Oct 13, 2025 · O 76.71 · H 79.08 · L 74.29 · C 75.25 · Vol 5.1MWeek of Oct 20, 2025 · O 75.83 · H 80.28 · L 74.58 · C 79.22 · Vol 5.1MWeek of Oct 27, 2025 · O 79.57 · H 80.04 · L 65.77 · C 68.81 · Vol 9.1MWeek of Nov 3, 2025 · O 69.00 · H 70.62 · L 63.89 · C 64.95 · Vol 5.4MWeek of Nov 10, 2025 · O 65.85 · H 66.28 · L 62.30 · C 62.56 · Vol 6.7MWeek of Nov 17, 2025 · O 62.56 · H 62.77 · L 56.33 · C 59.03 · Vol 8.2MWeek of Nov 24, 2025 · O 58.86 · H 66.97 · L 58.62 · C 66.81 · Vol 8.4MWeek of Dec 1, 2025 · O 65.50 · H 70.34 · L 65.50 · C 68.02 · Vol 8.7MWeek of Dec 8, 2025 · O 67.80 · H 75.40 · L 66.92 · C 74.40 · Vol 8.7MWeek of Dec 15, 2025 · O 76.02 · H 76.33 · L 71.27 · C 72.49 · Vol 11.4MWeek of Dec 22, 2025 · O 72.57 · H 74.60 · L 71.87 · C 73.75 · Vol 3.3MWeek of Dec 29, 2025 · O 73.01 · H 75.45 · L 72.69 · C 74.15 · Vol 3.9MWeek of Jan 5, 2026 · O 73.90 · H 83.30 · L 73.50 · C 83.20 · Vol 7.4MWeek of Jan 12, 2026 · O 83.00 · H 91.08 · L 82.63 · C 87.87 · Vol 7.9MWeek of Jan 19, 2026 · O 86.30 · H 89.85 · L 83.30 · C 85.22 · Vol 5.2MWeek of Jan 26, 2026 · O 85.59 · H 85.95 · L 77.58 · C 79.32 · Vol 7.3MWeek of Feb 2, 2026 · O 79.89 · H 98.06 · L 78.61 · C 95.93 · Vol 8.9MWeek of Feb 9, 2026 · O 94.10 · H 103.00 · L 93.55 · C 100.08 · Vol 6.1MWeek of Feb 16, 2026 · O 99.58 · H 101.30 · L 92.69 · C 94.40 · Vol 5.0MWeek of Feb 23, 2026 · O 93.84 · H 107.99 · L 91.76 · C 105.38 · Vol 7.6MWeek of Mar 2, 2026 · O 103.32 · H 112.21 · L 99.34 · C 103.19 · Vol 7.8MWeek of Mar 9, 2026 · O 102.18 · H 116.46 · L 100.54 · C 112.04 · Vol 6.4MWeek of Mar 16, 2026 · O 111.25 · H 115.78 · L 105.48 · C 106.12 · Vol 6.3MWeek of Mar 23, 2026 · O 107.79 · H 116.19 · L 107.00 · C 113.29 · Vol 5.9MWeek of Mar 30, 2026 · O 115.11 · H 120.00 · L 113.59 · C 119.40 · Vol 5.3MWeek of Apr 6, 2026 · O 117.61 · H 124.23 · L 113.33 · C 118.37 · Vol 5.8MWeek of Apr 13, 2026 · O 120.00 · H 121.94 · L 110.79 · C 112.61 · Vol 5.3MWeek of Apr 20, 2026 · O 111.72 · H 117.66 · L 109.68 · C 110.64 · Vol 4.9MWeek of Apr 27, 2026 · O 111.91 · H 117.05 · L 109.14 · C 114.99 · Vol 4.5MWeek of May 4, 2026 · O 115.52 · H 116.26 · L 93.42 · C 93.85 · Vol 8.0MWeek of May 11, 2026 · O 94.88 · H 99.51 · L 88.33 · C 88.59 · Vol 6.8MWeek of May 18, 2026 · O 90.22 · H 93.18 · L 86.54 · C 88.60 · Vol 5.2MWeek of May 25, 2026 · O 88.77 · H 89.39 · L 86.08 · C 86.83 · Vol 3.5MWeek of Jun 1, 2026 · O 87.50 · H 88.99 · L 82.98 · C 84.64 · Vol 4.1MWeek of Jun 8, 2026 · O 84.38 · H 89.47 · L 83.75 · C 88.50 · Vol 4.6MWeek of Jun 15, 2026 · O 87.65 · H 88.76 · L 80.09 · C 80.28 · Vol 4.2MWeek of Jun 22, 2026 · O 79.29 · H 79.70 · L 73.77 · C 76.62 · Vol 7.5MWeek of Jun 29, 2026 · O 76.44 · H 76.53 · L 71.23 · C 74.77 · Vol 5.6MWeek of Jul 6, 2026 · O 73.95 · H 78.60 · L 72.71 · C 75.49 · Vol 6.3MWeek of Jul 13, 2026 · O 76.71 · H 79.84 · L 75.28 · C 77.63 · Vol 3.4M77.63
Weekly candles over the last 52 weeks, split-adjusted, with 10- and 40-week moving averages; trading volume along the bottom. As of Jul 13, 2026.

OakBag could not build a reliable fair-value estimate for Westlake Corp (WLK) — none of its valuation methods cleared the model's safety checks (typically a company running an operating loss, where a discount can't be trusted). At a recent price of $77.63 the traffic light is set so it looks expensive or risky, benchmarked against other Materials names. This is a model output for research, not a price target or a recommendation.

Fair value vs. price

Current price
$77.63
Estimated fair value
Margin of safety

How the fair value is built

How is this computed?

Why not green?

  • The company is running an operating loss, so the screen will not flag a money-losing business as a buy.
  • Only one valuation method applies to this business — too thin to flag as a buy on its own.

Knock-out safety checks passed

  • Bankruptcy risk (Altman Z″)
  • Negative equity
  • Excessive leverage
  • Illiquid
  • Penny / micro-cap
  • Stale fundamentals
Piotroski F-score
3 / 9
Altman Z-score
6.02
Beneish M-score
-2.50

Quality & factor profile

Value -0.74
Quality -0.74
Profitability -1.46
Momentum -0.71
Growth -1.04
Low volatility +0.10

See the full analysis

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Frequently asked questions

Is Westlake (WLK) undervalued?

OakBag could not build a reliable fair-value estimate for Westlake Corp — none of its valuation methods cleared the model's safety checks, which usually happens for a company running an operating loss. At a recent price of $77.63 the model looks expensive or risky. This is a model output, not investment advice.

What is margin of safety?

Margin of safety is how far below the estimated fair value the price sits: (fair value − price) ÷ fair value. It cannot be shown here because no reliable fair-value estimate could be built for this stock.

Does a green verdict mean I should buy WLK?

No. OakBag is an educational and research tool, not investment advice. The traffic light is an automated model output based on third-party data that may be delayed or inaccurate. Always do your own research.

Other Materials stocks

An educational and research tool — not investment advice. OakBag is an educational and research tool, not investment advice. Scores and rankings are automated model outputs based on third-party data and may be inaccurate or delayed. Nothing here is a recommendation to buy or sell any security. Investing involves risk, including possible loss of principal.